WT – tees

WT75x6.75

Standard: ASTM A6/A6M (désignations métriques)Source: SI values from the AISC v16.0 database (ASTM A6 shapes common to Canada)
ASTM A6 rolled shapes are the same in Canada; the CISC list may differ slightly (availability).
xybf = 100d = 74.9tf = 5.46tf = 5.46tw = 4.32tw = 4.32
Cross-section, to scaledimensions in mm

Dimensions

Depthd
74.9mm
Flange widthbf
100mm
Web thicknesstw
4.32mm
Flange thicknesstf
5.46mm
Distance k (design)kdes
11.8mm
Distance k (detailing)kdet
17.5mm

Mass and area

Mass per lengthm
6.75kg/m
Cross-sectional areaA
865mm²

Strong axis x–x

Moment of inertiaIx
0.39510⁶ mm⁴
Elastic section modulusSx
6.6910³ mm³
Plastic section modulusZx
11.810³ mm³
Radius of gyrationrx
21.4mm

Weak axis y–y

Moment of inertiaIy
0.45810⁶ mm⁴
Elastic section modulusSy
9.1310³ mm³
Plastic section modulusZy
1410³ mm³
Radius of gyrationry
23mm

Torsion and stability

Torsional constantJ
8.4110³ mm⁴
Warping constantCw
0.0019810⁹ mm⁶
Polar radius (shear center)r̄o
34mm
Flexural constantH
0.852

Centers

Centroidȳ
15.8mm
Plastic neutral axisyp
4.32mm

Slenderness ratios

Flange slendernessbf/2tf
9.16
Wall slendernessD/t
17.4

Equivalents in other standards